In the search for future beyond-Li-ion batteries, Mg batteries present a safe option due to lower pyrophoricity and no formation of dendrites during plating and stripping. However, the practical voltage window of Mg batteries is limited by the paucity of both cathodically and anodically stable electrolytes. Recently, carborane, fluoroalkoxyaluminate and fluoroalkoxyborate-based electrolytes emerged as potential candidates for high-voltage Mg electrolytes. In this presentation, we demonstrate that magnesium perfluoroalkoxyaluminate can be rationally designed and synthesized as Mg electrolyte to exhibit unprecedented electrochemical window. Synthesis and characterization of the electrolyte will be discussed.

Magnesium perfluoroalkoxyaluminate as high-voltage Mg electrolytes

256th National Meeting (2018)

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